Midsole structure of athletic shoe
US6625905B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 31, 2001 |
| Grant date | Sep 30, 2003 |
| Priority date | — |
| Expiry date | Aug 31, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B13/188
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A midsole structure of an athletic shoe includes an upper midsole (3) formed of a soft elastic material and extending from a heel region to a forefoot region of the shoe, lower midsoles (4, 5) each formed of a soft elastic material and disposed at the heel region and the forefoot region under the upper midsole (3), and first and second corrugated sheets (6, 7) disposed opposite to each other between the upper midsole (3) and the lower midsoles (4, 5). Through holes (10, 11) are provided at the heel region and the midfoot region of the shoe. The through holes (10, 11) are bounded between the respective facing corrugated surfaces of the first and second corrugated sheets (6, 7). The through hole (11) provided at the midfoot region has an oblong and elongated shape in cross section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.